BitterBrains is a legit company with real revenue. Unlearn.dev is their newest product — low financial risk at $129/yr with a 30-day refund, but it's half-built and has zero independent community validation yet.
Unlearn.dev is a developer education platform focused on AI-assisted development workflows. It's built by BitterBrains, a company that has reached 2M+ developers through their certifications and training programs.
The platform lead is Alex Garrett-Smith, who built Codecourse into a 300k-subscriber YouTube channel before it was acquired in 2025. 16+ years teaching developers.
- Vue School — 1,507+ lessons, largest Vue.js video library
- Certificates.dev — Developer certifications (Vue, React, Angular, JS, TS). Backed by Evan You (Vue creator)
- Codecourse — PHP/Laravel education, 300k YouTube subs. Acquired 2025
- AIDD.io — AI-Driven Development course (predecessor/sibling to unlearn.dev)
- Frontend Nation, Vue.js Nation — Developer conferences
- 15 products total
| Metric | Value |
|---|---|
| Annual Revenue | $2M+ |
| Revenue Growth 2023 | 103% |
| Median Annual Growth | ~70% organic |
| Revenue Multiplier | 48x since 2017 |
| Customer Mix | 84% B2C, 16% B2B |
| Total Paying Customers | 30,000 across all products |
| Avg Customer LTV | $373 |
| Crowdfunding Raised | $220,332 on Republic |
| Security Type | SAFE |
| Valuation Cap | $14.6M |
| Team Size | ~30 people |
$2M ARR across 15 products serving 30k paying customers is modest. The $14.6M valuation cap is aggressive at ~7x revenue.
| Plan | Price |
|---|---|
| Early Access (annual) | $129/year (Batch 1 sold out, Batch 2: 87/400 seats remaining) |
| Standard (after early access) | $299/year |
| Team plans | Volume discounts, custom workflow builder, dashboard |
30-day refund, no questions asked.
- Spec a Product Before AI Builds It
- Design a Feature AI Can Execute Without Guessing
- Build Features with an AI Agent
- Reviewing AI-Written Code (not shipped yet)
- Merging and Deploying (not shipped yet)
- Debugging and Performance (not shipped yet)
- Refactoring with an AI Agent (not shipped yet)
- Getting Up to Speed on Any Codebase (not shipped yet)
Only workflows 1-3 are available now; 4-8 shipping April–May 2026.
| Course | Lessons | Duration |
|---|---|---|
| The Future Proof Dev | 11 | 1h 7m |
| Mastering Reusable AI Workflows | 13 | 2h 5m |
| Optimizing Productivity with AI Tools and Agents | 13 | 2h 22m |
| RAG for Real-World AI Applications | 30 | 4h 20m |
| AI for UI Design and Automated Testing | 15 | 2h 40m |
Total: ~12.5 hours of video content.
- MCP servers ready to install
- AI agent skill files
- Prompt libraries (copy-paste ready)
- Context files and guardrails
- Discord community access
- Live events access
- Weekly new content
- Frameworks: React, Next.js, Vue, Nuxt, Angular, Svelte, Laravel, TypeScript, Python, Node.js, Tailwind, Docker
- AI Tools: Claude, Cursor, GitHub Copilot, OpenRouter, Coder, StackBlitz, JetBrains AI, CodeRabbit, v0, Windsurf, Gitpod, Google Gemini, Zed, LangChain, Perplexity
AIDD is the older, one-time purchase version of essentially the same content:
| Tier | Sale Price | Regular Price | What You Get |
|---|---|---|---|
| Foundation | $320 | 4 core courses, lifetime access | |
| Full Program | $645 | All 7+ courses, future courses, live workshop | |
| Team (5 seats) | $970 | — | Everything above × 5 |
Same instructors (Daniel Kelly, Justin), same topics (agents, RAG, MCP servers, rules files). AIDD is lifetime access for $320-645, while unlearn.dev is $129-299/year. Unlearn.dev is the subscription-ified version of AIDD with added workflows/tools.
| Reviewer | Date | Summary |
|---|---|---|
| George | Dec 2025 | "This certificate was overpriced... I paid almost $400 so I can read the documentation which is provided for free" |
| Captain Kirk | Aug 2025 | "I didn't pass the junior angular exam... didn't even get my score. The angular training is lacking" |
| Jeremie Litzler | May 2025 | "Quality technical certification platform I recommend. I've taken 3 exams" |
| Denis Rosso | Aug 2025 | "Study resources are great and well structured, but IDE editor experience could be improved" |
| Vasiliy Stolyarenko | Apr 2025 | "Tests cover real-world aspects of the framework, not just theory" |
| M. Asif | May 2025 | "Great way to deepen my understanding... preparing for the exam made me realize there was still so much more" |
| Reviewer | Date | Summary |
|---|---|---|
| Ilo Gus | Feb 2026 | "Subscribed to Black Friday offer... canceled... charged me for three additional months! No notification, no email" |
| Wandtellermann | Nov 2023 | "The paid content feels like a scam. Same questions over and over. Better stuff on YouTube for free" |
| TechAkayy | Nov 2025 | "Vue School has always been my No. 1 destination... video courses are world-class" |
| Bogdan DNA | Nov 2025 | "Best courses for Vue.js on the market" |
| Tori Ram | Nov 2023 | "Amazing library of Vue courses... very well-structured" |
| Lars D | Feb 2024 | "Thoroughly enjoyed the Vue 3 bootcamp. Preparation was top-notch" |
- Filip Rakowski (Co-founder & CTO, Alokai): "Best I've seen on architectural thinking in an AI workflow" (5/5)
- Kostas Maniatis (Full Stack Dev, Flexpedia): "Unlearn actually changed how I build things" (5/5)
- Reddit: Zero discussions found
- Hacker News: Zero discussions found
- Twitter/X: No notable developer reactions found
- Blog reviews: None found
For a platform backed by a company claiming 2M+ developers, this silence is notable.
- Zero independent community discussion — No Reddit, HN, Twitter, or blog reviews
- Paying for a roadmap — 5 of 8 workflows haven't shipped yet
- Marketing pressure tactics — "87/400 seats remaining", batch-based urgency, hidden pricing until deep scroll
- Vue School billing history — Trustpilot complaints about sneaky auto-renewals and refund friction
- ~12.5 hours of video total — At $129/year that's ~$10/hour of content
- "2M+ developers" is aggregate — Across all products, conferences, free content, YouTube views. Not 2M paying customers (actual: 30k)
- No publicly verifiable student outcomes — No case studies or "I used this and shipped X" posts
- Heavy fear-based marketing — "your career is ending" is an info-product red flag pattern
- AIDD overlap — Very similar content exists as one-time purchase; unclear what's different
- Legitimate parent company with real products, real revenue ($2M+), real partnerships (Vue.js core team, Sentry, Netlify)
- Alex Garrett-Smith's track record — Codecourse is genuinely well-regarded in Laravel community
- $129/year is low risk — Cheaper than most AI courses ($400-1500 range), plus 30-day refund
- Workflow-based approach is more practical than generic "prompt engineering" courses
- MCP servers and skill files are tangible, usable tools — not just videos
- RAG course at 30 lessons / 4h 20m suggests real depth on at least one topic
- Certificates.dev has 98 mostly-positive Trustpilot reviews (4.7/5) — BitterBrains can deliver quality
- 103% revenue growth in 2023 — business is growing
BitterBrains is legit. The question is whether unlearn.dev specifically delivers value yet.
At $129/year with a 30-day refund, the financial risk is low. But you're essentially early-adopting a half-built platform on the strength of the team's reputation.
- Developers who specifically want structured AI workflows with MCP servers/tools (not just theory)
- People who liked Codecourse or Vue School's teaching style
- Those OK being early adopters of an incomplete product
- Anyone who already uses Claude Code, Cursor, or Copilot effectively — you may already know most of this
- People who prefer finished products over roadmaps
- Anyone who can learn from free resources (YouTube, docs, blog posts)
If interested, the 30-day refund makes it low-risk to try. But if you want proven, finished content — wait 6 months and look for independent reviews.
- Unlearn.dev
- BitterBrains
- BitterBrains on Republic (crowdfunding)
- Vue School Trustpilot — 4.1/5, 38 reviews
- Certificates.dev Trustpilot — 4.7/5, 98 reviews
- AIDD.io — Sibling product
- Codecourse
- Alex Garrett-Smith Interview — Cloudways
- BitterBrains 2M Milestone — Yahoo Finance
Research conducted April 2, 2026